roll bar

or roll·bar

noun

a heavy steel transverse bar in the form of an inverted U rising from the framework of an automobile to prevent its occupants from being crushed if the vehicle rolls over.

Nearby words

rolfing, roll, roll around, roll back, roll bag, roll bar, roll book, roll cage, roll call, roll cloud, roll film

Origin of roll bar

First recorded in 1950–55

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for rollbar

rollbar

/ (ˈrəʊlˌbɑː) /

noun

a bar that reinforces the frame of a car, esp one used for racing, rallying, etc, to protect the driver if the car should turn over

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012